/*
 * Copyright (C) 2005 - 2013 MaNGOS <http://www.getmangos.com/>
 *
 * Copyright (C) 2008 - 2013 Trinity <http://www.trinitycore.org/>
 *
 * Copyright (C) 2010 - 2013 ProjectSkyfire <http://www.projectskyfire.org/>
 *
 * Copyright (C) 2011 - 2013 ArkCORE <http://www.arkania.net/>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */

#ifndef OUTDOOR_PVP_H_
#define OUTDOOR_PVP_H_

#include "Utilities/Util.h"
#include "SharedDefines.h"
#include "ZoneScript.h"

class GameObject;

enum OutdoorPvPTypes
{
    OUTDOOR_PVP_HP = 1, OUTDOOR_PVP_NA = 2, OUTDOOR_PVP_TF = 3, OUTDOOR_PVP_ZM = 4, OUTDOOR_PVP_SI = 5, OUTDOOR_PVP_EP = 6, OUTDOOR_PVP_GH = 7, OUTDOOR_PVP_WG = 8,
};

#define MAX_OUTDOORPVP_TYPES 9

const uint8 CapturePointArtKit[3] =
{ 2, 1, 21 };

enum ObjectiveStates
{
    OBJECTIVESTATE_NEUTRAL = 0, OBJECTIVESTATE_ALLIANCE, OBJECTIVESTATE_HORDE, OBJECTIVESTATE_NEUTRAL_ALLIANCE_CHALLENGE, OBJECTIVESTATE_NEUTRAL_HORDE_CHALLENGE, OBJECTIVESTATE_ALLIANCE_HORDE_CHALLENGE, OBJECTIVESTATE_HORDE_ALLIANCE_CHALLENGE,
};

#define OTHER_TEAM(a) (a == TEAM_ALLIANCE ? TEAM_HORDE : TEAM_ALLIANCE)

// struct for go spawning
struct go_type
{
    uint32 entry;
    uint32 map;
    float x;
    float y;
    float z;
    float o;
    float rot0;
    float rot1;
    float rot2;
    float rot3;
};

// struct for creature spawning
struct creature_type
{
    uint32 entry;
    uint32 teamval;
    uint32 map;
    float x;
    float y;
    float z;
    float o;
};

// some class predefs
class Player;
class GameObject;
class WorldPacket;
class Creature;
class Unit;
struct GossipMenuItems;
class OutdoorPvP;

typedef std::set<Player*> PlayerSet;

class OPvPCapturePoint
{
public:

    OPvPCapturePoint (OutdoorPvP * pvp);

    virtual void FillInitialWorldStates (WorldPacket & /*data*/)
    {
    }

    // send world state update to all players present
    void SendUpdateWorldState (uint32 field, uint32 value);

    // send kill notify to players in the controlling faction
    void SendObjectiveComplete (uint32 id, uint64 guid);

    // used when player is activated/inactivated in the area
    virtual bool HandlePlayerEnter (Player * plr);
    virtual void HandlePlayerLeave (Player * plr);

    // checks if player is in range of a capture credit marker
    bool IsInsideObjective (Player * plr) const;

    virtual bool HandleCustomSpell (Player *plr, uint32 spellId, GameObject * go);

    virtual int32 HandleOpenGo (Player *plr, uint64 guid);

    // returns true if the state of the objective has changed, in this case, the OutdoorPvP must send a world state ui update.
    virtual bool Update (uint32 diff);

    virtual void ChangeState () = 0;

    virtual void ChangeTeam (TeamId /*oldTeam*/)
    {
    }

    virtual void SendChangePhase ();

    virtual bool HandleGossipOption (Player *plr, uint64 guid, uint32 gossipid);

    virtual bool CanTalkTo (Player * plr, Creature * c, GossipMenuItems gso);

    virtual bool HandleDropFlag (Player * plr, uint32 spellId);

    virtual void DeleteSpawns ();

    uint32 m_capturePointGUID;

    GameObject *m_capturePoint;

    void AddGO (uint32 type, uint32 guid, uint32 entry = 0);
    void AddCre (uint32 type, uint32 guid, uint32 entry = 0);

    bool SetCapturePointData (uint32 entry, uint32 map, float x, float y, float z, float o = 0, float rotation0 = 0, float rotation1 = 0, float rotation2 = 0, float rotation3 = 0);

protected:

    bool AddObject (uint32 type, uint32 entry, uint32 map, float x, float y, float z, float o, float rotation0, float rotation1, float rotation2, float rotation3);
    bool AddCreature (uint32 type, uint32 entry, uint32 teamval, uint32 map, float x, float y, float z, float o, uint32 spawntimedelay = 0);

    bool DelCreature (uint32 type);
    bool DelObject (uint32 type);

    bool DelCapturePoint ();

protected:

    // active players in the area of the objective, 0 - alliance, 1 - horde
    PlayerSet m_activePlayers[2];

    // total shift needed to capture the objective
    float m_maxValue;
    float m_minValue;

    // maximum speed of capture
    float m_maxSpeed;

    // the status of the objective
    float m_value;

    TeamId m_team;

    // objective states
    ObjectiveStates m_OldState;
    ObjectiveStates m_State;

    // neutral value on capture bar
    uint32 m_neutralValuePct;

    // pointer to the OutdoorPvP this objective belongs to
    OutdoorPvP* m_PvP;

    // map to store the various gameobjects and creatures spawned by the objective
    //        type , guid
    std::map<uint32, uint64> m_Objects;
    std::map<uint32, uint64> m_Creatures;
    std::map<uint64, uint32> m_ObjectTypes;
    std::map<uint64, uint32> m_CreatureTypes;
};

// base class for specific outdoor pvp handlers
class OutdoorPvP: public ZoneScript
{
    friend class OutdoorPvPMgr;

public:

    // ctor
    OutdoorPvP ();

    // dtor
    ~OutdoorPvP ();

    // deletes all gos/creatures spawned by the pvp
    void DeleteSpawns ();

    typedef std::map<uint32/*lowguid*/, OPvPCapturePoint*> OPvPCapturePointMap;

    virtual void FillInitialWorldStates (WorldPacket & /*data*/)
    {
    }

    // called when a player triggers an areatrigger
    virtual bool HandleAreaTrigger (Player * plr, uint32 trigger);

    // called on custom spell
    virtual bool HandleCustomSpell (Player *plr, uint32 spellId, GameObject * go);

    // called on go use
    virtual bool HandleOpenGo (Player *plr, uint64 guid);

    // setup stuff
    virtual bool SetupOutdoorPvP ()
    {
        return true;
    }

    void OnGameObjectCreate (GameObject* go);
    void OnGameObjectRemove (GameObject *go);
    void OnCreatureCreate (Creature *, bool /*add*/)
    {
    }

    // send world state update to all players present
    void SendUpdateWorldState (uint32 field, uint32 value);

    // called by OutdoorPvPMgr, updates the objectives and if needed, sends new worldstateui information
    virtual bool Update (uint32 diff);

    // handle npc/player kill
    virtual void HandleKill (Player * killer, Unit * killed);
    virtual void HandleKillImpl (Player * /*killer*/, Unit * /*killed*/)
    {
    }

    // checks if player is in range of a capture credit marker
    bool IsInsideObjective (Player * plr) const;

    // awards rewards for player kill
    virtual void AwardKillBonus (Player * /*plr*/)
    {
    }

    uint32 GetTypeId ()
    {
        return m_TypeId;
    }

    virtual bool HandleDropFlag (Player * plr, uint32 spellId);

    virtual bool HandleGossipOption (Player *plr, uint64 guid, uint32 gossipid);

    virtual bool CanTalkTo (Player * plr, Creature * c, GossipMenuItems gso);

    void TeamApplyBuff (TeamId team, uint32 spellId, uint32 spellId2 = 0);

protected:

    // the map of the objectives belonging to this outdoorpvp
    OPvPCapturePointMap m_capturePoints;

    PlayerSet m_players[2];

    uint32 m_TypeId;

    bool m_sendUpdate;

    // world state stuff
    virtual void SendRemoveWorldStates (Player * /*plr*/)
    {
    }

    void BroadcastPacket (WorldPacket & data) const;

    virtual void HandlePlayerEnterZone (Player * plr, uint32 zone);
    virtual void HandlePlayerLeaveZone (Player * plr, uint32 zone);

    virtual void HandlePlayerResurrects (Player * plr, uint32 zone);

    void AddCapturePoint (OPvPCapturePoint* cp)
    {
        m_capturePoints[cp->m_capturePointGUID] = cp;
    }

    OPvPCapturePoint * GetCapturePoint (uint32 lowguid) const
    {
        OutdoorPvP::OPvPCapturePointMap::const_iterator itr = m_capturePoints.find(lowguid);
        if (itr != m_capturePoints.end())
            return itr->second;
        return NULL;
    }

    void RegisterZone (uint32 zoneid);

    bool HasPlayer (Player *plr) const;

    void TeamCastSpell (TeamId team, int32 spellId);
};

#endif /*OUTDOOR_PVP_H_*/
